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      <img src="../logo.svg" class="logo" alt=""><h1>Find approx percentiles in lookup table that is in memory</h1>
      <small class="dont-index">Source: <a href="https://github.com/USEPA/EJAM/blob/HEAD/R/pctile_from_raw_lookup.R" class="external-link"><code>R/pctile_from_raw_lookup.R</code></a></small>
      <div class="d-none name"><code>lookup_pctile.Rd</code></div>
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    <div class="ref-description section level2">
    <p>Find approx percentiles in lookup table that is in memory</p>
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    <div class="section level2">
    <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2>
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">lookup_pctile</span><span class="op">(</span></span>
<span>  <span class="va">myvector</span>,</span>
<span>  <span class="va">varname.in.lookup.table</span>,</span>
<span>  lookup <span class="op">=</span> <span class="va">usastats</span>,</span>
<span>  zone <span class="op">=</span> <span class="st">"USA"</span></span>
<span><span class="op">)</span></span></code></pre></div>
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    <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2>


<dl><dt id="arg-myvector">myvector<a class="anchor" aria-label="anchor" href="#arg-myvector"></a></dt>
<dd><p>Numeric vector, required. Values to look for in the lookup table.</p></dd>


<dt id="arg-varname-in-lookup-table">varname.in.lookup.table<a class="anchor" aria-label="anchor" href="#arg-varname-in-lookup-table"></a></dt>
<dd><p>Character element, required.
Name of column in lookup table to look in
to find interval where a given element of myvector values is.</p>
<p>*** If vector is provided, then must be same length as myvector,</p>
<p>but only 1 value for zone can be provided.</p></dd>


<dt id="arg-lookup">lookup<a class="anchor" aria-label="anchor" href="#arg-lookup"></a></dt>
<dd><p>Either lookup must be provided, not quoted,
or a lookup table called <a href="usastats.html">usastats</a> must already be in memory. This is the lookup table
data.frame with a PCTILE column, REGION column, and column whose name is the value of varname.in.lookup.table
To use state lookups set lookup=statestats</p></dd>


<dt id="arg-zone">zone<a class="anchor" aria-label="anchor" href="#arg-zone"></a></dt>
<dd><p>Character element (or vector as long as myvector), optional.
If specified, must appear in a column called REGION within the lookup table,
or NA returned for each item looked up and warning given.
For example, it could be "NY" for New York State, "USA" for national percentiles.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="see-also">See also<a class="anchor" aria-label="anchor" href="#see-also"></a></h2>
    <div class="dont-index"><p>Identical to <code><a href="pctile_from_raw_lookup.html">pctile_from_raw_lookup()</a></code> <a href="usastats.html">usastats</a> <a href="statestats.html">statestats</a></p></div>
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